300Degree rails
DW adapter kits
and machined lower plenum's & new style rails I think they all have their place and when done well they all "get the job done". In my mind if your goal is performance, top quality and versatility the 300Degree product can't be beat. It's price point is the highest of the bunch but it's not unjustified.
In spite of having new style fuel rails (since my car is a 95) I have a set of 300degree rails & 740cc injectors here for when I do my own fuel upgrade. I have used the DW kit for installing stock sized new style NA & TT injectors for customers that are looking to get out of the old style injector trap, and stage 3 or lower and not really looking for larger upgrades down the line. Personally (and I've told DW this) I would prefer if the small spacers used to set the injector cap up where actually a full collar to enclose the top edge of the injector & upper oring. Also if you drop one of their small cap spacers consider it gone - small and non magnetic means its lost. I do think the injector tends to sit a bit higher and the intake screens on the injectors end out a little out of the line of flow. Also the DW kit introduces an additional oring to eack injector and is a little trickier to assemble with out pinching orings. The machined lower plenum method sometimes makes sense - esp. if you have the motor out of the car and are planing to do a timing belt job anyway. I've recently worked with Mike Smith (of MS manifolds, and JWT fame) to develop a set of collars that support the lower rail to plenum isolators and prevent the splitting and vac. leaks that sometimes happen. I and JWT are now selling those collars for people who have or plan on going that route. On a related note, I'm not a fan of using resized/drilled injectors. Flow rates and patterns are often hard to control and matching can be a crap shoot. Warranties or not is a gamble I'm not willing to take on with my own car.
SILVER HI Overdrive Water Pump Pulleys Are Here!
 Bernie Bilski berniebilski@cox.net
1995 Nissan 300ZX TwinTurbo in Cobalt Green
1997 Nissan 240SX SE in Ultra Red (some assembly required)
1995 Nissan Pick-Up XE in Super Black
ZCCNV #390 ~ ECZA #368 Need INSTALLS, DIAGNOSTICS, SERVICE or PARTS in the NoVA/DC/MD area?
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